BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20260126T225821
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6adbe68d1e92d
DTSTAMP:20261023T225821Z
SUMMARY:Mannheimer Philharmoniker - Opernkonzert: Rigoletto (Verdi)
DTSTART:20270613T170000Z
DTEND:20270613T170000Z
END:VEVENT
END:VCALENDAR